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refactor: JSON → INI config via Godot ConfigFile

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This commit is contained in:
Eric Smith 2026-05-20 22:32:17 -04:00
parent c6bc1edda4
commit a6d4c290d3
4 changed files with 64 additions and 43 deletions
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82
autoload/config_manager.gd
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@ -10,10 +10,12 @@ func _ready() -> void:
_load_config()
## Read a flat setting by key (e.g. "background_color", "show_cpu").
func get_setting(key: String, default_value: Variant = null) -> Variant:
return _settings.get(key, default_value)
## Persist a setting and emit the change signal.
func set_setting(key: String, value: Variant) -> void:
if _settings.has(key) and _settings[key] != value:
_settings[key] = value
@ -21,7 +23,7 @@ func set_setting(key: String, value: Variant) -> void:
config_changed.emit(key, value)
## Parse a "r, g, b" string from config into a Color with alpha 1.0.
## Parse a "r, g, b" string setting into a Color (alpha = 1.0).
func get_color(key: String, default_color: Color = Color.WHITE) -> Color:
var raw: Variant = _settings.get(key)
if raw == null or typeof(raw) != TYPE_STRING:
@ -35,45 +37,59 @@ func get_color(key: String, default_color: Color = Color.WHITE) -> Color:
return Color(r, g, b, 1.0)
# --------------------------------------------------------------------------
# INI loading via Godot's ConfigFile
# Keys are flattened as "{section}_{key}" for simple lookup.
# User config.cfg overrides default.cfg on a per-key basis.
# --------------------------------------------------------------------------
func _load_config() -> void:
# Load defaults, then overlay user config.
var defaults := _read_json_file("res://config/default.json")
var user := _read_json_file("res://config/config.json")
_settings.clear()
if defaults != null and defaults is Dictionary:
_merge_dict(_settings, defaults as Dictionary)
if user != null and user is Dictionary:
_merge_dict(_settings, user as Dictionary)
_load_cfg("res://config/default.cfg")
_load_cfg("res://config/config.cfg") # silently ignored if absent
static func _read_json_file(path: String) -> Variant:
var file := FileAccess.open(path, FileAccess.READ)
if file == null:
return null
var content: String = file.get_as_text()
var parsed: Variant = JSON.parse_string(content)
return parsed
static func _merge_dict(dst: Dictionary, src: Dictionary) -> void:
for key in src:
dst[key] = src[key]
func _load_cfg(path: String) -> void:
var cfg := ConfigFile.new()
if cfg.load(path) != OK:
return
for section in cfg.get_sections():
for key in cfg.get_section_keys(section):
_settings[section + "_" + key] = cfg.get_value(section, key)
func _save_user_config() -> void:
# Only persists settings that differ from defaults.
var defaults := _read_json_file("res://config/default.json")
if not (defaults is Dictionary):
# Load defaults to compare against.
var defaults := ConfigFile.new()
if defaults.load("res://config/default.cfg") != OK:
return
var diff: Dictionary = {}
for key in _settings:
if not defaults.has(key) or defaults[key] != _settings[key]:
diff[key] = _settings[key]
# Collect default keys for reference.
var default_keys: Dictionary = {}
for section in defaults.get_sections():
for key in defaults.get_section_keys(section):
default_keys[section + "_" + key] = { "section": section, "key": key }
var path: String = "res://config/config.json"
var json_str: String = JSON.stringify(diff, "\t")
var file := FileAccess.open(path, FileAccess.WRITE)
if file != null:
file.store_string(json_str)
var user_cfg := ConfigFile.new()
var has_diff: bool = false
for flat_key in _settings:
var entry: Variant = default_keys.get(flat_key)
var section: String
var cfg_key: String
if entry != null:
section = entry.section
cfg_key = entry.key
else:
# Not in defaults — derive section from flat key (before first "_").
var parts: PackedStringArray = flat_key.split("_", true, 1)
section = parts[0] if parts.size() > 1 else "general"
cfg_key = parts[-1]
var default_val: Variant = defaults.get_value(section, cfg_key, null)
if _settings[flat_key] != default_val:
user_cfg.set_value(section, cfg_key, _settings[flat_key])
has_diff = true
if has_diff:
user_cfg.save("res://config/config.cfg")